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Code Issues Releases Wiki Activity

Fixed strreplace() to handle NULL strings

This commit is contained in:
Klaus Schmidinger 2020-12-29 21:40:29 +01:00
parent 2b3556b460
commit 55b237dbe8
3 changed files with 9 additions and 1 deletions
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2
CONTRIBUTORS
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@ -3655,6 +3655,8 @@ J
for reporting a possible discrepancy of the primary device number in the LSTD and for reporting a possible discrepancy of the primary device number in the LSTD and
PRIM commands PRIM commands
for adding support for EAC3 audio from other sources for adding support for EAC3 audio from other sources
for reporting a crash if a pattern timer spawns a timer that uses EPISODE and the
event has no short text
Stefan Verse <Verse@amotronics.de> Stefan Verse <Verse@amotronics.de>
for fixing an occasional black screen when switching channels for fixing an occasional black screen when switching channels

4
HISTORY
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@ -9568,3 +9568,7 @@ Video Disk Recorder Revision History
- Implemented "Pattern Timers" (see MANUAL, vdr.1 and vdr.5 for details). - Implemented "Pattern Timers" (see MANUAL, vdr.1 and vdr.5 for details).
- Events in the past are no longer marked as having a timer in the Schedules - Events in the past are no longer marked as having a timer in the Schedules
menu. menu.
2020-12-29:
- Fixed strreplace() to handle NULL strings (reported by Jürgen Schneider).

4
tools.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and * See the main source file 'vdr.c' for copyright information and
* how to reach the author. * how to reach the author.
* *
* $Id: tools.c 5.1 2020/12/26 15:49:01 kls Exp $ * $Id: tools.c 5.2 2020/12/29 21:40:29 kls Exp $
*/ */
#include "tools.h" #include "tools.h"
@ -151,6 +151,8 @@ char *strreplace(char *s, char c1, char c2)
char *strreplace(char *s, const char *s1, const char *s2) char *strreplace(char *s, const char *s1, const char *s2)
{ {
if (!s || !s1 || !s2)
return s;
char *p = strstr(s, s1); char *p = strstr(s, s1);
if (p) { if (p) {
int of = p - s; int of = p - s;